Marinate the Chicken: In a bowl, mix olive oil, lemon juice, garlic, paprika, cumin, salt, and pepper. Add chicken chunks and toss to coat. Let it sit for 15–30 minutes.
Grill the Chicken: Thread chicken onto skewers. Grill on medium-high heat for 12–15 minutes, turning until fully cooked and slightly charred.
Prep the Veggies: While the chicken cooks, slice the lettuce, onions, bell peppers, and tomato.
Warm the Bread: Heat pita or flatbread in a pan or microwave until soft and warm.
Assemble the Wraps: Place grilled chicken on each bread. Top with veggies and a spoon of tzatziki or garlic sauce.
Serve: Roll or fold the wrap and enjoy immediately.